There is more than one trainer who created course with same name and enrolled you in their courses. So the two courses come from different trainers.

A single trainer who created two courses with the same name (QuoDeck distinguishes between courses using course identifiers and not by name, hence a trainer can give the same name to multiple courses if he wishes so), and enroll you in both courses.

Well we haven’t put any limit on the number of slides that can be included in a deck, but as per Micro Learning Principles, you should have 30 to 40 slides in your deck, we have observed that Learners were comfortable consuming the content, when there were up-to 40 slides in the deck.

The size of your deck depends upon the type of learning content it wraps in itself, it will affect your learners experience if it is too heavy in size. Keep the following pointers in mind to keep your deck size moderate.

Have moderate number of images in your deck say about 20% to 30%

Make sure that the images are optimized with lossless image compression tools

If your deck also includes PDF slides, make sure that the PDF is also losslessly compressed

Deck Analysis is an essential tool that enables you to analyze the Quality of your Interactive Learning Deck using predefined rules that follows Micro Learning Principles. It will analyze your deck and give you suggestions on the same. It will give suggestions on viable Number of Slides that should be in a deck. How much interactivity should be present in a deck? How much visual content should be there in a deck and so on?